Point Forecast: Mount St Helens WA  46.18N 122.18W (Elev. 6204 ft)	Last Update: 1:41 am PDT May 4, 2024

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Weather Elements Weather/Precipitation Fire Weather Temperature (°F) Dewpoint (°F) Heat Index (°F) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Fog Mixing Height  x100ftx100m Haines Index Lightning Activity Level Trans. Wind  ktmphkm/hm/s

48-Hour Period Starting: 2am Sat, May 4 20243am Sat, May 4 20244am Sat, May 4 20245am Sat, May 4 20246am Sat, May 4 20247am Sat, May 4 20248am Sat, May 4 20249am Sat, May 4 202410am Sat, May 4 202411am Sat, May 4 202412pm Sat, May 4 20241pm Sat, May 4 20242pm Sat, May 4 20243pm Sat, May 4 20244pm Sat, May 4 20245pm Sat, May 4 20246pm Sat, May 4 20247pm Sat, May 4 20248pm Sat, May 4 20249pm Sat, May 4 202410pm Sat, May 4 202411pm Sat, May 4 202412am Sun, May 5 20241am Sun, May 5 20242am Sun, May 5 20243am Sun, May 5 20244am Sun, May 5 20245am Sun, May 5 20246am Sun, May 5 20247am Sun, May 5 20248am Sun, May 5 20249am Sun, May 5 202410am Sun, May 5 202411am Sun, May 5 202412pm Sun, May 5 20241pm Sun, May 5 20242pm Sun, May 5 20243pm Sun, May 5 20244pm Sun, May 5 20245pm Sun, May 5 20246pm Sun, May 5 20247pm Sun, May 5 20248pm Sun, May 5 20249pm Sun, May 5 202410pm Sun, May 5 202411pm Sun, May 5 202412am Mon, May 6 20241am Mon, May 6 20242am Mon, May 6 20243am Mon, May 6 20244am Mon, May 6 20245am Mon, May 6 20246am Mon, May 6 20247am Mon, May 6 20248am Mon, May 6 20249am Mon, May 6 202410am Mon, May 6 202411am Mon, May 6 202412pm Mon, May 6 20241pm Mon, May 6 20242pm Mon, May 6 20243pm Mon, May 6 20244pm Mon, May 6 20245pm Mon, May 6 20246pm Mon, May 6 20247pm Mon, May 6 20248pm Mon, May 6 20249pm Mon, May 6 202410pm Mon, May 6 202411pm Mon, May 6 202412am Tue, May 7 20241am Tue, May 7 20242am Tue, May 7 20243am Tue, May 7 20244am Tue, May 7 20245am Tue, May 7 20246am Tue, May 7 20247am Tue, May 7 20248am Tue, May 7 20249am Tue, May 7 202410am Tue, May 7 202411am Tue, May 7 202412pm Tue, May 7 20241pm Tue, May 7 20242pm Tue, May 7 20243pm Tue, May 7 20244pm Tue, May 7 20245pm Tue, May 7 20246pm Tue, May 7 20247pm Tue, May 7 20248pm Tue, May 7 20249pm Tue, May 7 202410pm Tue, May 7 202411pm Tue, May 7 202412am Wed, May 8 20241am Wed, May 8 20242am Wed, May 8 20243am Wed, May 8 20244am Wed, May 8 20245am Wed, May 8 20246am Wed, May 8 20247am Wed, May 8 20248am Wed, May 8 20249am Wed, May 8 202410am Wed, May 8 202411am Wed, May 8 202412pm Wed, May 8 20241pm Wed, May 8 2024

Date	05/04																						05/05
Hour (PDT)	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01
Temperature (°F)	35	35	34	33	33	31	32	30	31	30	30	30	29	29	31	28	28	27	26	26	26	26	26	27
Dewpoint (°F)	32	31	30	29	29	27	28	26	28	28	30	29	28	29	30	27	28	27	25	24	23	22	24	23
Heat Index (°F)
Surface Wind (mph)	18	18	16	13	15	18	17	16	13	10	9	8	7	9	9	9	10	11	13	14	14	14	16	18
Wind Dir	S	SSE	SSE	SE	ESE	ESE	ESE	SE	SSE	SSE	S	SSW	SW	WSW	W	W	W	W	WNW	WNW	WNW	WNW	WNW	WNW
Gust	25	25	23		21	25	24	23												20	20	20	23	25
Sky Cover (%)	89	86	85	86	85	85	85	92	96	99	100	99	98	96	94	94	90	88	86	85	83	84	87	89
Precipitation Potential (%)	83	72	59	60	61	56	61	87	94	98	99	98	97	94	90	90	85	82	78	76	74	75	79	83
Relative Humidity (%)	87	84	85	84	85	84	85	85	90	94	98	97	97	99	95	96	99	98	97	92	89	86	91	84
Rain	Ocnl	Lkly	Lkly	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																							05/06
Hour (PDT)	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01
Temperature (°F)	26	26	27	26	27	27	27	27	27	27	28	28	29	29	30	30	30	29	29	28	28	27	28	28
Dewpoint (°F)	22	22	23	22	24	23	22	23	24	25	26	27	29	29	29	30	29	28	28	27	26	24	25	25
Heat Index (°F)
Surface Wind (mph)	20	22	23	23	23	23	23	23	23	22	22	22	24	24	24	24	24	24	22	22	22	23	23	23
Wind Dir	W	W	W	W	W	W	W	W	W	WSW	WSW	WSW	W	W	W	W	W	W	WSW	WSW	WSW	WSW	WSW	WSW
Gust	28	31	32										28	28	28	33	33	33
Sky Cover (%)	91	94	95	95	95	95	95	95	95	97	97	97	97	97	97	100	100	100	100	100	100	99	99	99
Precipitation Potential (%)	86	90	92	92	92	92	92	92	92	95	95	95	95	95	95	100	100	100	100	100	100	98	98	98
Relative Humidity (%)	83	85	85	83	88	86	82	86	89	92	94	96	98	98	98	98	97	96	95	93	92	90	88	86
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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